Sennheiser ACCENTUM Open Instruction Manual

Open true wireless stereo earbuds

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ACCENTUM Open

Open True Wireless stereo earbuds

Model: OTW1, OTW1 R, OTW1 L, OTW1 C

Instruction manual

Use the search function, the navigation (left) or the following links:

„Start"

"Product overview"

"Getting started"

"Using the earbuds"

"FAQ/If a problem occurs..."

"Specifications"

Sonova Consumer Hearing GmbH

Am Labor 1

30900 Wedemark

Germany

www.sennheiser-hearing.com

Version: 03/25 A01

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Summary of Contents for Sennheiser ACCENTUM Open

Page 1 ACCENTUM Open Open True Wireless stereo earbuds Model: OTW1, OTW1 R, OTW1 L, OTW1 C Instruction manual Use the search function, the navigation (left) or the following links: „Start“ “Product overview” “Getting started” “Using the earbuds” “FAQ/If a problem occurs...”...
Page 2 Preventing damage to health and accidents ▷ Protect your hearing from high volume levels. Permanent hearing damage may occur when earbuds are used at high volume levels for long periods of time. Sennheiser earbuds sound exceptionally good at low and medium volume lev- els.
Page 3 ▷ Do not use if immersed into liquid. ▷ Always keep the charging case dry. ▷ Make sure that the charging socket is free from moisture and con- tamination. ▷ Only use high-quality USB charging cables with USB-IF certifica- tion. ACCENTUM Open | 3...
Page 4 Sonova Consumer Hearing GmbH is not liable for damages resulting from the loss of connection due to flat or overaged rechargeable bat- teries or exceeding the Bluetooth transmission range. Before putting the product into operation, please observe the respective country-specific regulations. 4 | ACCENTUM Open...
Page 5 Safety guide Com- Compliance sheet pliance Sheet Online you can find: • this detailed instruction manual and additional information (www.sennheiser-hearing.com/download) • the option to purchase online or contact your local Sonova Con- sumer Hearing partner: www.sennheiser-hearing.com/service-support ACCENTUM Open | 5...
Page 6 Input for USB C connector for charging the rechargeable batteries Bottom cradle Charging compartment for the left earbud Top cradle Charging contacts Charging compartment for the right earbud Built-in rechargeable battery for charging the earbuds on the go 6 | ACCENTUM Open...
Page 7 Product overview Earbuds Model: OTW1 R and OTW1 L OTW1 L OTW1 R Touch control panel Microphones for beamforming noise reduction Acoustic rear ventilation Acoustic front ventilation Built-in rechargeable battery Speaker Left earbud Charging contacts Right earbud ACCENTUM Open | 7...
Page 8 LED display switches off after 5 seconds. Charging case Charging case WITH WITHOUT earbuds earbuds inserted inserted Earbuds are fully Charging case is lights up charged, charging more than 50 % green case is more than charged. 50 % charged. 8 | ACCENTUM Open...
Page 9 • Clean the contacts on the earbuds and in the charging case (see page 24). • Charge the rechargeable batteries of the charging case and the earbuds until the LED display lights up again (at least 30 minutes) (see page 14). ACCENTUM Open | 9...
Page 10 Quick sequence of 2 high tones “Call” Call incoming. Ringtone Knock on tone every 2 seconds Call incoming during active call. Descending sequence of 4 tones In-ear detection is deactivated. Ascending sequence of 4 tones In-ear detection is activated. 10 | ACCENTUM Open...
Page 11 The correct fit of the earbuds in your ears gives you the best sound quality, the best voice quality for phone calls and the best wearing comfort. Left Right R ▷ Assign the right earbud to your right ear and the left earbud to your left ear. ACCENTUM Open | 11...
Page 12 The earbuds can have two active Bluetooth connections to two dif- ferent Bluetooth devices at the same time. Audio playback is only possible from one device at a time. 12 | ACCENTUM Open...
Page 13 LED display on the charging case (see page 8). At the end of its operational lifetime, this product with its built-in rechargeable battery must be disposed of separately from normal household waste. You can find more information here: see page 31. ACCENTUM Open | 13...
Page 14 (see page 24). • Clean the USB C socket of the charging case. • Charge the rechargeable batteries of the charging case and the earbuds until the LED display lights up again (at least 30 minutes). 14 | ACCENTUM Open...
Page 15 Bluetooth device will be overwrit- ten. If you want to connect to this Bluetooth device again later, you have to pair the earbuds again. Paired and connected Bluetooth device Paired Bluetooth device (currently not connected) ACCENTUM Open | 15...
Page 16 The earbuds search for other paired devices. If no device is found, the earbuds switch to idle mode. If you want to clear the Bluetooth pairing list of the earbuds, reset the earbuds to the factory default settings (see page 28). 16 | ACCENTUM Open...
Page 17 ▷ Do not continuously expose yourself to high volume levels. The earbuds switch on automatically as soon as the lid of the charging case is opened. ▷ Open the lid of the charging case and take out both earbuds. ACCENTUM Open | 17...
Page 18 Listening at high volume levels can lead to permanent hearing defects. ▷ Adjust the volume to a low level before inserting the earbuds or changing the audio source. ▷ Do not continuously expose yourself to high volume levels. Hold L Hold R 18 | ACCENTUM Open...
Page 19 Playing/pausing music ▷ Tap the touch control panel of the right or the left earbud 1x. 1 x L/R Right or left earbud Function Tap 1x Plays or pauses music ACCENTUM Open | 19...
Page 20 Plays the previous track in the playlist Playing the next track ▷ Tap the touch control panel of the right earbud 2x. 2 x R Right earbud Function Tap 2x Plays the next track in the playlist 20 | ACCENTUM Open...
Page 21 Making a call ▷ Dial the desired phone number. If your Bluetooth device does not automatically transfer the call to the earbuds, select “ACCENTUM Open” as the output device on your device (see the instruction manual of your device if nec- essary).
Page 22 At least one earbud Charging case has a flashes has a charging charging error/bat- error/battery error tery error (see (see page 25). page 25). 22 | ACCENTUM Open...
Page 23 ▷ Insert the left earbud into the left charging compartment and the right earbud into the right charging compartment. The earbuds are magnetically pulled into the charging compart- ments. ▷ Close the lid of the charging case. ACCENTUM Open | 23...
Page 24 ▷ Carefully swipe a fine object (e.g. toothpick or interdental brush) through the opening of the socket. If the earbuds have gotten wet: ▷ Dry the earbuds with a dry cloth. If necessary, let the earbuds dry at room temperature for approx. 12 hours. 24 | ACCENTUM Open...
Page 25 At the end of its operational lifetime, this product with its built-in rechargeable battery must be disposed of separately from normal household waste. You can find more information here: see page 31. ACCENTUM Open | 25...
Page 26 4. Contact your Sonova Consumer Hearing partner to solve the problem (see page 26). Current list of frequently asked questions (FAQ) Visit the ACCENTUM Open product page at www.sennheiser-hearing.com There you will find a current list of frequently asked questions (FAQ) and suggested solutions.
Page 27 1. Insert the earbuds into the charging case. 2. Close the lid of the charging case and wait at least 10 seconds. 3. Open the lid again. The earbuds will restart (reset). ACCENTUM Open | 27...
Page 28 This deletes, among other things, all pairing settings. 1. Disconnect all existing connections between Bluetooth devices and your earbuds, e.g. by removing “ACCENTUM Open” from the list of Bluetooth devices found on your device. 2. Take one earbud out of the charging case, insert it in your ear and close the lid of the charging case.
Page 29 10 minutes for 1.5 hour of music playback (ambient temperatures < 15 °C or > 30 °C increase the charging time) Temperature range operation: 0 to +40 °C charging: +5 to +35 °C storage: –20 to +60 °C ACCENTUM Open | 29...
Page 30 2,402 MHz to 2,480 MHz Modulation GFSK, π/4 DQPSK, 8DPSK Profiles AVRCP, A2DP, HFP Output power 10 mW (max) Codec AAC, SBC Device name ACCENTUM Open Number of active connec- tions Required apps no companion app 30 | ACCENTUM Open...
Page 31 For Europe and the Middle East, Sonova Consumer Hearing GmbH offers a 24-month warranty on this product. For the current warranty conditions, please visit our website at www.sennheiser-hearing.com/warranty or contact your Sonova Consumer Hearing partner. In compliance with the following requirements •...
Page 32 Bluetooth SIG, Inc. and any use of such marks by Sonova Consumer Hearing GmbH is under license. Other product and company names mentioned in the user documen- tation may be the trademarks or registered trademarks of their respective holders. 32 | ACCENTUM Open...

This manual is also suitable for:

Otw1 Otw1 r Otw1 l Otw1 c